2025-26 Catalina Water Year Updated through May; Updated Historical October through May Precipitation Chart, too

Precipitation rebounded this October through May period from the awful 2o24-25 October through May period but was still only 72% of normal with 6.39 inches.   8.93 inches is the normal value.  May delivered the first above normal rainfall in several months with a generous half an inch rainfall early in the month.

Here’s the historical record for Catalina:

Author: Art Rangno

Retiree from a group specializing in airborne measurements of clouds and aerosols at the University of Washington (Cloud and Aerosol Research Group). The projects in which I participated were in many countries; from the Arctic to Brazil, from the Marshall Islands to South Africa. View all posts by Art Rangno